One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,4,3)(5,6)(7,11)(8,15)(9,10)(12,16)(13,17)(14,20)(18,19)(22,28)(23,26)(24,30)(33,35)(7,13)(11,17)(14,19)(18,20)(21,22)(23,31)(24,25)(26,29)(27,28)(30,36)(32,33)(34,35) involution — undirected(1,3,4,2)(6,10)(11,17)(12,15)(18,20)(21,23,27,26)(22,29,28,31)(24,34,30,32)(25,33,36,35)(5,6)(7,11)(8,12)(9,10)(13,17)(14,18)(15,16)(19,20)(21,24,27,30)(22,25,28,36)(23,32,26,34)(29,35,31,33)(5,7)(6,11)(8,14)(9,13)(10,17)(12,18)(15,20)(16,19)(21,25)(22,30)(23,33)(24,28)(26,35)(27,36)(29,32)(31,34) involution — undirected(5,8,9,16)(6,12,10,15)(7,14,13,19)(11,18,17,20)(21,26,27,23)(22,29,28,31)(24,34,30,32)(25,35,36,33)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.